Citace podle APA (7th ed.)
Harper, M. M. (2006). Wisdom of two: The spiritual and literary collaboration of George and W.B. Yeats. Oxford University Press.
Citace podle Chicago (17th ed.)
Harper, Margaret Mills. Wisdom of Two: The Spiritual and Literary Collaboration of George and W.B. Yeats. Oxford ; New York: Oxford University Press, 2006.
Citace podle MLA (9th ed.)
Harper, Margaret Mills. Wisdom of Two: The Spiritual and Literary Collaboration of George and W.B. Yeats. Oxford University Press, 2006.
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